Cheap And Discounts Din Rail AC 230 380V 3 Phase 4 Wire Energy Meter Power Consumption Monitor kWh Meter Wattmeter Bivolt 100A 50/60Hz LCD Backlight Wholesale. Buy Directly From Merchant EARU ELEC Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.